The "That Time I Got Reincarnated as a Slime" Manga Box Set 1-2 Vol. 12 & 13 includes the first 13 volumes of the popular series in English, presented in trade paperback format. This collection offers fans of the series the chance to enjoy the adventures of the protagonist as he reincarnates as a slime in a fantasy world. Perfect for collectors or readers looking to immerse themselves in the comedic and action-packed story of the series.